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Number of 5Xn 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1

%I #4 Apr 08 2018 10:18:54

%S 0,111,1147,8493,101109,1141147,12546601,139759054,1548957170,

%T 17209805574,191189374845,2123106854954,23580609870792,

%U 261901958253063,2908820703189575,32306899350522648,358817934715149945

%N Number of 5Xn 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Row 5 of A302472.

%H R. H. Hardin, <a href="/A302475/b302475.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..0..0..0..1..1. .0..0..1..1..1. .0..1..0..1..1. .0..1..0..1..1

%e ..0..1..1..0..0. .1..1..0..0..0. .1..0..1..0..1. .1..0..1..1..0

%e ..0..0..0..0..1. .0..1..0..1..1. .1..0..0..1..0. .1..0..0..0..1

%e ..0..1..0..1..1. .1..0..1..0..0. .1..1..0..1..0. .0..1..0..1..1

%e ..1..1..0..0..1. .0..1..1..0..0. .0..0..0..0..1. .1..1..0..0..0

%Y Cf. A302472.

%K nonn

%O 1,2

%A _R. H. Hardin_, Apr 08 2018

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Last modified September 21 19:37 EDT 2024. Contains 376089 sequences. (Running on oeis4.)